Malicious PDF — malware analysis report

Static analysis result for SHA-256 622bd0f72e794844…

MALICIOUS

PDF

43.3 KB Created: 2020-08-13 21:21:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7b7322c5dcd792c240ec57ba5c2bf084 SHA-1: 17cac1f675b4cfdf1b8909ca1637403fe886b75a SHA-256: 622bd0f72e794844693005d4bb657f985bde1498dd37070d083e54c9d156ade6
202 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document contains a link farm and a redirector pointing to malicious infrastructure, likely for phishing or scam purposes. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of links, and 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms the primary link leads to known malicious activity. The document body, though partially corrupted, contains the URL 'https://ttraff.com/pify?keyword=dispute+debt+collector+credit+report', suggesting a lure related to financial matters.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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.com/pify?keyword=dispute+debt+collector+credit+report In PDF document text
    • http://files.springvilleffa.com/uploads/1/3/0/7/130775808/5cb3f59de363cb5.pdfIn PDF document text
    • http://files.jonathanpschwartz.com/uploads/1/3/0/7/130775959/zoloxemel-ziranufalazuvi-riwimakevatupa.pdfIn PDF document text
    • http://files.akadeltaomegaomega.com/uploads/1/3/1/6/131607635/3994755.pdfIn PDF document text
    • http://files.aanenetwork.org/uploads/1/3/0/8/130873995/gemosiboxaxipi_zuleg_lupoxoxu_defekabixomizit.pdfIn PDF document text
    • http://files.thomasklassen.net/uploads/1/3/1/4/131452804/pamolukuxer.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/1/0440/5932/8662/files/42146769460.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0877/6599/files/list_of_bharat_ratna_winner.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6911/0432/files/lamuduwoxow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1059/5748/files/21951782170.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9627/6128/files/sikulevimosufufafola.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9718/5701/files/82175443677.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8620/8406/files/nyc_subway_map_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mapitawaluzosamorexub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2585/8714/files/muvowojavobej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5698/8317/files/73171262263.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8531/5737/files/einstein_biography.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3184/5271/files/berliner_platz_1_neu_deutsch_im_alltag_intensivtrainer.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

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006aae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AAE 4996 bytes
SHA-256: b56ce52aae6ba4fe50189f27803764a7fb09a54fe943b9520ac3988243272cc2
font_01_sfnt_off00007bac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BAC 10700 bytes
SHA-256: 6f2bd1678daa7657303b9b6cdf51b618e2376436c96fb0f8394a0f8e5aa70ff9

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