Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae2cde36784e633d…

MALICIOUS

PDF

69.2 KB Created: 2020-07-29 12:00:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: bf566b69f84fccd1bf96ab0f065cbdc7 SHA-1: e7d48cb93872f0bf45844fa835b4d7386ddb9ab8 SHA-256: ae2cde36784e633d710c6e05a58498d7601a0750eaf6b1129edc026c957cab5a
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=bukhari+sharif+arabic+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including one to 'https://cdn.shopify.com/s/files/1/0440/2577/4245/files/48177003524.pdf'. The ML classifier also flagged this PDF with high confidence. The document body is heavily obfuscated, preventing a clear understanding of its content, but the presence of malicious links strongly suggests a phishing or malware distribution attempt.

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.cc/pify?keyword=bukhari+sharif+arabic+pdf In PDF document text
    • http://files.graceinwellsville.com/uploads/1/3/1/4/131406391/6676029.pdfIn PDF document text
    • http://files.tuliptreatments.com/uploads/1/3/2/7/132740665/nidonuj_kadim.pdfIn PDF document text
    • http://files.tawpuppies.com/uploads/1/3/2/7/132740838/vexixudatapatit_jarusumurirovoj_vezasevulona.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/1/0440/2577/4245/files/48177003524.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8841/2836/files/68745461353.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6487/7471/files/tusifumefuta.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6464/7077/files/ligepogekotaniwetul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6845/7122/files/puwuves.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4387/1127/files/kizowipowulazenunabo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3720/3364/files/72067504182.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9896/4117/files/radasejivunoxovimujivik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2807/0052/files/1275660087.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8954/2809/files/sasaziwulebolozoleg.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_008_off0000e125.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xE125 22292 bytes
SHA-256: 2ac3919f50482fc9e6ae0f9f3af71eba14d1c6107486e0f3f7aaa28c4486f457
font_00_sfnt_off0000acbe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xACBE 4932 bytes
SHA-256: f59f9603b7d248b6aac62353c5aa83bfcb0436bfe37dbded8a99ac9d79d84442
font_01_sfnt_off0000bd86.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBD86 10620 bytes
SHA-256: 1cc3dd76dd4b13f72eb56ba3b5f32dc955cdcc7dea4fe506d01c2543e346c3ec