Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa7ab7f0e1b5d655…

MALICIOUS

PDF

63.4 KB Created: 2020-08-04 02:48:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bff722671353fe019441e2675005a62f SHA-1: 7fd5f03cb539d6d95c989f47936e32b2caa6b32f SHA-256: fa7ab7f0e1b5d6550abc790a222b856478694710c25ec3e3d06b4f1184f768c6
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm and a critical heuristic firing for a malicious redirector. The embedded URL 'https://ttraff.ru/pify?keyword=asian+continents+countries+and+capitals+and+currencies+pdf' is the primary indicator of malicious intent, designed to redirect users to potentially harmful content. The document body, though heavily obfuscated, contains text related to countries and currencies, likely serving as a lure to encourage clicks on the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://ttraff.ru/pify?keyword=asian+continents+countries+and+capitals+and+currencies+pdf In PDF document text
    • http://files.liberationgifts.com/uploads/1/3/0/9/130969211/a3fb0311f315.pdfIn PDF document text
    • http://files.lakrewefc.com/uploads/1/3/0/7/130775634/nedoxe.pdfIn PDF document text
    • http://files.celestechen.com/uploads/1/3/1/4/131407767/revumu.pdfIn PDF document text
    • http://files.texascedarblinds.com/uploads/1/3/2/3/132303082/nusoxosaforegom_juxebabapatuni_mawirakivakixez_kaxixejowibar.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4517/4939/files/fakuduvubejifu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1868/9432/files/class_of_heroes_2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7922/1927/files/fuvoralajesudisof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2661/9288/files/21377933183.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5288/3352/files/zaxapowadizexenipum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4795/2292/files/depeleranejazaruvan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1270/1860/files/79516230.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4646/1852/files/56313311726.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8249/8716/files/64309757955.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1982/8386/files/4743321870.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2119/7724/files/50526812818.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
    • http://www.gnu.org/licenses/lgpl.htmlRegularDanhHongIn PDF document text
    • http://www.geocities.com/dnhhngIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000078cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78CC 5140 bytes
SHA-256: 37659d830926d2b7fc99824557a87f71f750a0a0dcffc241d04e323b55f54c7c
font_01_sfnt_off00008a51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A51 3852 bytes
SHA-256: fb9a9d6d956734aafa617145bc4294d680f35380ebfe4cccb0c41768ced05ec5
font_02_sfnt_off00009649.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9649 3980 bytes
SHA-256: a313e22387c7e4b9749988dc41ee1aa3dd5931941e4c1c19769d44b9562f5cf0
font_03_sfnt_off0000a23d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA23D 15856 bytes
SHA-256: cef55f7c0e658d2f284fb0a8da24635d22fe1a3d5c175e6023af4f3414d0560e
font_04_sfnt_off0000d3bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD3BD 17608 bytes
SHA-256: 2ee3ea36d220fc160c10cd52fa419f50fff3c3d79bbfa0ba95aa4e9bfa64d4bf

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