MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external resources, many of which are SEO-optimized PDFs hosted on Shopify. A primary link redirects through `ttraff.ru`, a known malicious redirector, to a page offering a free PDF download. This indicates a phishing or scam attempt designed to lead users to malicious infrastructure. No scripts were extracted, but the extensive link farm and redirector usage strongly suggest a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=satyanarayana+biochemistry+free+pdf+download In PDF document text
- http://files.waltonbarrowboardofrealtors.com/uploads/1/3/2/6/132681356/xexabetozef-sedelufi-kidogabavaxef-wapokut.pdfIn PDF document text
- http://files.alldogstoronto.com/uploads/1/3/0/8/130874394/tefow_vopuwipeb_degufuxedopu_fukebividek.pdfIn PDF document text
- http://xagik.newfrousy.org/uploads/1/3/1/1/131163658/1692984.pdfIn PDF document text
- http://files.harrisondomain.org/uploads/1/3/1/3/131380875/1555419.pdfIn PDF document text
- http://files.hypnobabieswithlauren.com/uploads/1/3/1/1/131163853/zijonureposi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0430/8919/9268/files/1177716733.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/0542/5310/files/43613637804.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1754/3588/files/kemagufibolimobibolameg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7013/6218/files/91827287190.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4462/5822/files/44695083103.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8070/4405/files/cathode_ray_oscilloscope_free_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9373/7110/files/50515071581.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8601/8712/files/30792218791.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7623/0046/files/nedex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1005/6615/files/61502875924.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5453/8658/files/bobopigitafebige.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8720/0418/files/uf_admissions_office.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5073/6533/files/2015_international_building_code_study_companion.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000062e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62E9 | 5620 bytes |
SHA-256: 85132ac11229b1f841e04a06e99da56d9ad9a81dc8d930d259354f9541231a57 |
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font_01_sfnt_off000075dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75DD | 9988 bytes |
SHA-256: d6844f56f9d2e21864322f5bf3b175688a01106a8e3ebe6ffdf05c24edfa05c5 |
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font_02_sfnt_off00009809.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9809 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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