MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains URLs that appear to be part of a link farm designed to attract users searching for specific content like 'Comptia a 902 practice test pdf'. The primary redirector URL is https://ttraff.ru/pify?keyword=comptia+a+902+practice+test+pdf, which is flagged as malicious. This suggests a phishing or scam attempt using a lure document to drive traffic to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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=comptia+a+902+practice+test+pdf In PDF document text
- http://files.theglasscarousel.com/uploads/1/3/1/6/131637570/simetotofo-deporupigid-jobefimo-jemavewivipowek.pdfIn PDF document text
- http://files.harmonyorganics.net/uploads/1/3/1/8/131856276/acadee41a.pdfIn PDF document text
- http://bavepu.wectp.org/uploads/1/3/0/7/130775840/bidelad_vororuposigupa.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/1/0430/7084/9181/files/67554318761.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6284/4837/files/vojatovavitudezagimufuz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1714/1415/files/togadinovotezat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1355/3827/files/how_to_calculate_ac_5e.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7259/4844/files/leboduvijol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8421/8532/files/54476432020.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5744/5029/files/80951707255.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7058/7029/files/nokav.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0017/6544/files/dokafejonazomezaku.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1392/3228/files/pdf_file_reader_free_download_for_pc.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6032/0663/files/kawitunifogema.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81603963226.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/4553/6419/files/rupedutikomi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9948/0473/files/gasometria_de_cordon_umbilical.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
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008406.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8406 | 5604 bytes |
SHA-256: f670401fb1320113fce50824557102bfce0e45329a17bad0921cee5e871aea82 |
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font_01_sfnt_off000096f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x96F8 | 10900 bytes |
SHA-256: 7e2b531485085a81e2bdb664d0526fec187ed1920924678c9ccd95d8635f80e4 |
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font_02_sfnt_off0000bc6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC6E | 16204 bytes |
SHA-256: 532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e |
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