MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO poisoning. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is likely the primary malicious payload delivery mechanism. The document body, though partially corrupted, contains keywords related to financial guidelines, indicating a lure to trick users into clicking the malicious link. No scripts were extracted from this sample.
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.cc/pify?keyword=fannie+mae+guidelines+for+cash+out+refinance In PDF document text
- http://wepusegi.sp-arms.com/uploads/1/3/1/4/131453718/jefojowatinizi_vojifizas_zizawofelilebad.pdfIn PDF document text
- http://files.cemscompany.com/uploads/1/3/1/8/131857115/7c5852.pdfIn PDF document text
- http://files.couplesexperience.net/uploads/1/3/0/8/130814715/womebuvelaji-bumasubafiter.pdfIn PDF document text
- http://files.jmholden.com/uploads/1/3/2/7/132711999/4085731.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/1/0430/1042/4993/files/vuravaxog.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2231/7725/files/kedikidivudogasimorenob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1703/6198/files/89710970303.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1641/3607/files/77817061428.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4605/0714/files/nonlinear_dynamics_and_chaos_solutions_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/5913/2054/files/how_to_write_appraisal_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0792/4635/files/acls_provider_manual_2015.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4452/7528/files/lofewivebozusegufazu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7665/7057/files/88150969003.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8437/3406/files/hollywood_action_movie_tamil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3581/9173/files/86664969591.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7547/7405/files/mifirunepoluto.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xugufu.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_off0000668b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x668B | 5392 bytes |
SHA-256: f69943a6a9a8f4333c8c9e865880c4bfebeee3070ee5d0d06ede5ac10c483312 |
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font_01_sfnt_off000078af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78AF | 10400 bytes |
SHA-256: 922bb423dbf32c9ed8ebe4e16d4d0324ee883a8eddc1a0f91ab9cddcc2ac8a4e |
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