MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link disguised as an 'answer sheet' that redirects to a malicious URL. The PDF also exhibits characteristics of a link farm, with numerous embedded links pointing to external resources, many of which are hosted on Shopify. The presence of a visual download button further supports the lure. The primary malicious indicator is the redirection to `ttraff.com`, identified as a malicious redirector.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.com/pify?keyword=answer+sheet+1+100+pdf In PDF document text
- http://files.judymitcham.com/uploads/1/3/0/9/130969489/refudas-pewumavozijeb.pdfIn PDF document text
- http://files.rvabookloversfestival.com/uploads/1/3/0/7/130775103/dunabaremoluwusa.pdfIn PDF document text
- http://files.treeb.org/uploads/1/3/0/7/130775728/68caef134f7.pdfIn PDF document text
- http://files.adaughterscareassistedliving.com/uploads/1/3/1/0/131070452/xutamefidepenuzanase.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/1/0431/6738/3713/files/bakalsk_prce_upol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8856/6677/files/4745470813.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8233/3856/files/i_see_you_baby.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2936/3878/files/70433391802.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7706/6135/files/dmv_bowman_field.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1139/8041/files/80910681843.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4537/0518/files/3847880123.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9423/7589/files/riruled.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4028/4583/files/83415575091.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5432/6179/files/fabodikeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3764/6245/files/boromaxagawujo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0451/6613/3397/files/biostatistics_a_bayesian_introduction.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2049/9620/files/pitelamomozopiwa.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005dc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DC9 | 5160 bytes |
SHA-256: bf09a5ac5f23b1c7039bb79cb6153873d70afc001924cd1a0cf3efadb7acb045 |
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font_01_sfnt_off00006f71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F71 | 12192 bytes |
SHA-256: 5864a670f33f2550b1930f05d06abda036f200b22d6be983cff3797cbacf1a8b |
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