MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to a redirector service (ttraff.com), which is flagged as malicious. The document body and embedded link structures suggest an attempt to create a link farm for SEO manipulation, likely to phish for credentials or distribute further malware. The ML classifier also 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=english+grammar+revision+exercises+pdf In PDF document text
- http://suberi.shermanoakstherapyandrecovery.net/uploads/1/3/1/4/131408854/3747085.pdfIn PDF document text
- http://files.msterryportfolio.com/uploads/1/3/1/3/131381614/rariw-momakisosen.pdfIn PDF document text
- http://saxazereb.secondcitystationery.com/uploads/1/3/1/4/131409909/24ef89.pdfIn PDF document text
- http://xenituf.hbcuaccessories.com/uploads/1/3/0/7/130776428/696819.pdfIn PDF document text
- http://files.edlplayz.com/uploads/1/3/1/4/131409210/b79eac90b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0440/5883/7142/files/1-_99_cooking_guide_rs3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2358/0831/files/12796858930.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7623/0047/files/ragunoxotunavewab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/5876/4696/files/how_to_make_bookmarks_appear_automatically_in.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2795/4854/files/bransden_joachain_quantum_mechanics_solutions_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4235/4853/files/vunezigikaxozanebusuxum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2647/2347/files/22240316969.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9671/0047/files/14072134491.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5059/8562/files/78768037748.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2492/5347/files/balopebafe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5724/9430/files/form_attribute_html_button.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5018/0503/files/dosalukolaf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7641/8720/files/kolakoletixegeteke.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000061f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61F1 | 5364 bytes |
SHA-256: cfc87a67c27d2db1e779038a66e6beb1dd1798bcb3a3a79a97b6ae9c30864e30 |
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font_01_sfnt_off000073fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x73FA | 10776 bytes |
SHA-256: a1f388c7e4d9463230b1fe53173d16cf1e70d66e7f84b1fdbf9087c5e8ced6ed |
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font_02_sfnt_off00009821.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9821 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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