MALICIOUS
242
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF document contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=update+huawei+p8+android+7'. Additionally, a high-severity heuristic indicates a lure to install a browser extension or update. The document body, though heavily corrupted, contains similar text and URLs, reinforcing the social engineering attempt. The presence of a link farm suggests an effort to distribute malicious content widely.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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=update+huawei+p8+android+7 In PDF document text
- http://files.kickkim.com/uploads/1/3/1/0/131070231/xuforupuninuwapod.pdfIn PDF document text
- http://files.tammybiggsgymnastics.org/uploads/1/3/1/3/131380504/lixobotewakut.pdfIn PDF document text
- http://jokubewi.harvestmooncanning.com/uploads/1/3/1/3/131398097/9a9377f45a2.pdfIn PDF document text
- http://pamaj.clubvaultitudetexas.com/uploads/1/3/2/7/132710712/liwiji.pdfIn PDF document text
- http://files.mesalegria.com/uploads/1/3/1/4/131438397/naruralatedogep.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/1/0438/8270/9160/files/zewufepiwixa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7323/9195/files/thorowgood_gullet_size_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3504/0664/files/tizag.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2562/8327/files/rurouni_kenshin_reflection.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9167/9639/files/determine_buck_converter_efficiency_in_pfm_mode.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6569/4613/files/wow_bfa_alchemy_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6252/4069/files/free_converter_to_editable_word_document_online.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3713/0914/files/kowar.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_off0000b042.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB042 | 5196 bytes |
SHA-256: 04d92c2136e0fce763d24336cde103131c2d81ccff382f6c923b0852c3bb5332 |
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font_01_sfnt_off0000c201.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC201 | 11128 bytes |
SHA-256: c2e5d4ceebf53c2f2d9805ab7afb78d4ed7b30e452f28289a5ddf0e70fed29ed |
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