MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, including one to a known malicious redirector at `ttraff.ru`. The document body, though heavily obfuscated, also contains this URL and other links to Shopify-hosted PDFs, suggesting a link farm designed to drive traffic to malicious infrastructure. The primary intent appears to be to redirect users to malicious content via the `ttraff.ru` URL.
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.ru/pify?keyword=biology+in+telugu+pdf+free+download In PDF document text
- http://files.skylinebitandspur.com/uploads/1/3/2/3/132302999/4cd9ed6.pdfIn PDF document text
- http://files.magicmomentsprincessentertainment.com/uploads/1/3/2/6/132683000/5bc0045c077b.pdfIn PDF document text
- http://files.beaulieuparkmusic.co.uk/uploads/1/3/2/6/132695365/pefixawide.pdfIn PDF document text
- http://files.eleanorneffpowell.com/uploads/1/3/1/8/131871745/112450.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gifowugebivagobawogun.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6980/8548/files/38488993559.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5757/8137/files/kotefanatuwaferivatobidus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9726/0192/files/mafirapovowixivavub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6645/8265/files/mopujakuwuragarazarin.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7028/3166/files/bajemudodexuzuwarexop.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/volobufepafolosovi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/7666/3961/files/8470450750.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/70474217151.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9434/3841/files/kogiputotojigozozejanigu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3541/9039/files/61465236227.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5380/0859/files/40404598730.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4411/9462/files/lubavavokabu.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006393.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6393 | 5272 bytes |
SHA-256: 370a87588c5abb4beec22fc687b980c39462aecdf13640333756e212b1069267 |
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font_01_sfnt_off000075ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75AB | 20660 bytes |
SHA-256: a069dafde0e246b5b41a7fbff80c762f933ebf8b35da5d75a8641f4e1e4d0356 |
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font_02_sfnt_off0000a69d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA69D | 2116 bytes |
SHA-256: c0b080a3303b8e939d585112c399c02879d5f0d732e84daf845a916286948345 |
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font_03_sfnt_off0000b049.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB049 | 14632 bytes |
SHA-256: 3764744a28c6fe3e2fdb710535613177b672dd2192ae2b942a4648f1be908927 |
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font_04_sfnt_off0000dd61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD61 | 16332 bytes |
SHA-256: d9fd6dfb68e25185a609e5622a1055a7f4912469e393710fe0423d478489c4af |
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