MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many of which point to a redirector service (ttraff.com) that is flagged as malicious. The document body, though heavily obfuscated, contains a URL that matches the redirector, suggesting the primary purpose is to drive traffic to malicious infrastructure. The presence of a large number of external links, including to a known malicious redirector, indicates a link farm or phishing attempt.
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=trigonometric+identities+pdf In PDF document text
- http://files.playwithfireproductions.com/uploads/1/3/2/7/132740327/9598114.pdfIn PDF document text
- http://tidavilu.shsoh.com/uploads/1/3/0/8/130814017/malevuba-filereze-jivubedaju-wisifirajuxeb.pdfIn PDF document text
- http://files.windsorjaguartroupe.com/uploads/1/3/0/7/130740524/pasogexotitizipaziz.pdfIn PDF document text
- http://files.lascolinaspta.org/uploads/1/3/1/8/131856602/lawizamafeguv_rematiw_pixubutojaw.pdfIn PDF document text
- http://soseniwe.lifetimeepoxyfloors.com/uploads/1/3/0/7/130776321/0fb88f3881.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/1/0433/9272/9246/files/18247822472.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1769/9477/files/kexavelumejex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nasodidupafulad.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4063/5042/files/android_home_environment_variable.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3199/4280/files/86775164500.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0489/5143/files/today_tamil_dinamani_news_paper_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/3601/6802/files/29369326769.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6972/5080/files/aadhar_card_online_password.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8896/0933/files/sejarah_pendidikan_islam_di_malaysia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9328/7321/files/30342207526.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8627/4967/files/39239865049.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_off0001ab90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AB90 | 5184 bytes |
SHA-256: 3e0b3b8c84b53eb3bea8d4118540c71750c2415bd448fe2431651f7ddb53b0e6 |
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font_01_sfnt_off0001bd1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BD1D | 18092 bytes |
SHA-256: bc802c1ca003421a214e9e26fb1abbb4a47597cfd0ee357d003052a6274b5fba |
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font_02_sfnt_off0001f562.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F562 | 17440 bytes |
SHA-256: c97c08f83b95756698725960492df3ecf4a68a00c08c4d43b6643dcbed77da32 |
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