MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple links pointing to redirector infrastructure, specifically identified as a malicious redirector and an SEO link farm. The primary redirector URL is `https://ttraff.cc/pify?keyword=cool+bios+for+instagram`, which is used in conjunction with a lure of "Cool bios for instagram". The ML classifier strongly indicates maliciousness, and the presence of numerous external links suggests an attempt to drive traffic to malicious sites.
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=cool+bios+for+instagram In PDF document text
- http://files.clemmonspresbyterian.org/uploads/1/3/1/3/131381900/1330131.pdfIn PDF document text
- http://files.carolenapier.com/uploads/1/3/1/4/131413718/a5a06.pdfIn PDF document text
- http://files.twcnpc.com/uploads/1/3/0/7/130775490/dikutomif_gasin_fudekujafijuf.pdfIn PDF document text
- http://files.studio519.net/uploads/1/3/1/4/131406885/mepepevemiban_ponoxetoralove_xewunos.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/1/0430/4211/1650/files/28669396322.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/7580/6119/files/novokufimetupopesewe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7274/1791/files/filebedajonazazemozeda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3269/9292/files/sezawomibel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7731/2405/files/gobafovetuv.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0465/6790/files/93387945244.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0524/6631/files/39320215518.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4556/0220/files/96744206258.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0378/1015/files/68906349803.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/5346/4214/files/15197734028.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/21659337375.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3722/1276/files/xovonimefafawu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2202/4867/files/zijuwabuwezapupeniguxazi.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a003.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA003 | 4920 bytes |
SHA-256: cfac6772d40d2ca504ba1a02a94de3deaf852eb897df42cc29a9b1be5a2adb1b |
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font_01_sfnt_off0000b090.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB090 | 13780 bytes |
SHA-256: 24d24c21d44cd019884c2568dfed39df52a10f436f812e7b66952952514f18aa |
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font_02_sfnt_off0000daa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAA6 | 10884 bytes |
SHA-256: 79049ecd9684f2f73cab63f7f1ebe8cafd09c06a5847c3ff63eaabeb315b25b5 |
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font_03_sfnt_off00010004.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10004 | 17812 bytes |
SHA-256: 7c4d63be7423b8f9de0cb510c284379b9cc41590eb8b78702d6d07e76c2547a0 |
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