MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a significant number of embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=factoring+perfect+square+trinomial+questions+and+answers', which is flagged as a malicious redirector. The presence of numerous links to external PDFs, many hosted on Shopify, suggests a link farm or SEO manipulation tactic, potentially leading to malicious content distribution.
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.com/pify?keyword=factoring+perfect+square+trinomial+questions+and+answers In PDF document text
- http://files.tallsprucefarm.com/uploads/1/3/2/8/132815008/rapatexod-dobidopoxiwave.pdfIn PDF document text
- http://files.monica-raymond.com/uploads/1/3/1/3/131381540/1395282.pdfIn PDF document text
- http://zapop.winningmentalitygroup.com/uploads/1/3/0/7/130740206/zuseged_rogiguvuxod_pupekolodugulum_regaka.pdfIn PDF document text
- http://bujejezum.arctictreasures.shop/uploads/1/3/2/6/132682878/lumirakijow.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/1/0432/4543/7083/files/l_glucose_chair_conformation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0950/7487/files/27182923906.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/7712/1686/files/research_assistant_resume.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0460/0781/2257/files/kenting_national_park_travel_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4188/1253/files/25337278180.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9375/4009/files/jedenepumigijezu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9124/7779/files/free_download_speak_english_like_an_american.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4913/9880/files/45463920775.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6785/9359/files/green_river_wyoming_fly_fishing_report.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9767/6192/files/boingo_tv_app.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7520/7322/files/avionics_certification_test_study_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2563/6250/files/list_of_occupational_diseases.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1325/7885/files/83172007778.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/4321/6789/files/nafedu.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_off00006704.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6704 | 5648 bytes |
SHA-256: b71ab76744c9c396aa3bce8c1ee584a88543cb0ac34e35967cb167035c448c3b |
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font_01_sfnt_off00007a31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A31 | 14212 bytes |
SHA-256: 088d74800e7f9f283c3f43ce06b04ef661cbc62ddcb62f75718458623d948331 |
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