Malicious PDF — malware analysis report

Static analysis result for SHA-256 fabc366202dcdec6…

MALICIOUS

PDF

47.7 KB Created: 2020-08-22 00:05:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2c5c1a8f5097899924290de046ed20f1 SHA-1: e803d25537ecae2edb2c5c1d21181c97a86d13db SHA-256: fabc366202dcdec66b0cb1ccb2ff9914034ea532c029fc0b0c7778d1c95cc3a2
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains text referencing 'aba english premium apk ultima version' and the malicious URL 'https://ttraff.cc/pify?keyword=aba+english+premium+apk+ultima+version'. This suggests the PDF is designed to trick users into clicking the malicious link, likely leading to malware download or a phishing page. The ML classifier strongly supports the malicious nature of this PDF.

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=aba+english+premium+apk+ultima+version In PDF document text
    • http://files.blanknersteam.com/uploads/1/3/0/8/130874213/modokewifipimat.pdfIn PDF document text
    • http://zovolege.gumcpreschool.org/uploads/1/3/1/6/131637354/aba94a1347.pdfIn PDF document text
    • http://poxew.thebiocompatibledifference.com/uploads/1/3/0/8/130873826/9556734.pdfIn PDF document text
    • http://files.northwood-ptsa.org/uploads/1/3/2/3/132302941/36d2aa5a25.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/1/0428/2161/5775/files/2149975643.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/8106/8697/files/characterization_in_1984_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8072/1311/files/rationale_zahlen_regeln.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2001/6021/files/75180727564.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8806/7225/files/fowiteraled.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vatajimawi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9830/0823/files/alignment_chart_template_meme.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7370/7925/files/8635936107.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0582/8520/files/55840625308.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/savowogofoxifonikili.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://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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006615.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6615 5484 bytes
SHA-256: ffda6a01d45f95318c622d7e7415ecd1ba47b93d5749de05de44c7b5e2c2b45e
font_01_sfnt_off00007899.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7899 10456 bytes
SHA-256: 609e20241fc85c0336590a824c7d0419d8868c3504e2b06b1c4a918c0af1716d
font_02_sfnt_off00009c7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9C7B 16092 bytes
SHA-256: 39b2f4b99ee08965fd4836f89f628a00cde8346cb181131bba0308e80db8fb67

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