MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link that leads to a lure for downloading 'whatsapp gold mod apk free'. This is further supported by numerous embedded links pointing to various PDF files hosted on external domains, likely part of a link farm to improve search engine ranking for malicious content. The ML classifier strongly indicated maliciousness.
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=whatsapp+gold+mod+apk+free In PDF document text
- http://files.teapup.com/uploads/1/3/1/4/131437242/716758483705afd.pdfIn PDF document text
- http://texewife.orderyourbluebook.com/uploads/1/3/2/6/132696212/287138.pdfIn PDF document text
- http://files.heartandvineapothecary.com/uploads/1/3/2/6/132682655/3ba6b7ae.pdfIn PDF document text
- http://files.univ.ency-education.com/uploads/1/3/1/8/131872021/panugofowaz.pdfIn PDF document text
- http://files.authorkayshanee.com/uploads/1/3/1/0/131069887/d597f107ad3b.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/1/0431/4333/2000/files/vawonavagutubajet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/4114/3454/files/calligraphy_alphabet_practice_sheets.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/14981909947.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1349/6222/files/fuxoresajasifubetegilub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3966/0951/files/50607979650.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/2541/3782/files/plumbing_fixtures_installation_guide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/1789/4050/files/beading_tutorial.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0445/2246/files/ratewisosadixujenidibifo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9162/4097/files/20216177075.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7711/5812/files/section_4._2_alternative_energy_resources.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/8053/8526/files/sacred_contracts_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6930/1151/files/64162717087.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9571/8040/files/64706994390.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000076ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76AE | 5532 bytes |
SHA-256: 1296ffcfb41324aca404d665de056a6f366d3e97147f6f27553e605f335df591 |
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font_01_sfnt_off00008969.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8969 | 10112 bytes |
SHA-256: 5ad4bd9ed9166c483fa72b3780af75089d07b30f2f10ec0869eaea6af4e85506 |
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font_02_sfnt_off0000ac43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC43 | 16208 bytes |
SHA-256: eae6c158afd6831860994e0f4a04e5ff23f8a3a83e35e0c7f2999725282ea046 |
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