MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many of which point to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text that appears to be SEO-related keywords and URLs, suggesting a phishing or malware distribution lure. The presence of multiple PDF links, including a link farm, indicates an attempt to distribute or redirect to other malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=anganwadi+centres+revised+monthly+progress+report+form+pdf In PDF document text
- http://files.ancientstoriesforesl.com/uploads/1/3/1/4/131437330/puxubirobi.pdfIn PDF document text
- http://files.kansasmidwives.com/uploads/1/3/0/7/130775275/3771974.pdfIn PDF document text
- http://files.swisskonig.net/uploads/1/3/1/0/131070151/fcfa89c6b4.pdfIn PDF document text
- http://files.kellimahoney.com/uploads/1/3/1/6/131606231/leripezivumu.pdfIn PDF document text
- http://files.forestheightsacademyofexcellence.org/uploads/1/3/1/4/131453989/23a3342ad.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/1/0434/0298/5622/files/75494544536.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7084/9177/files/delhi_building_bye_laws.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3884/2779/files/51913287212.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2973/2248/files/rimabivovarakujasadomabep.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7027/5236/files/kevegufarijimupinebo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/1425/0905/files/xerojuvokuvokalulovesek.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5791/3749/files/33802459047.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/9927/3896/files/koripixir.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3865/3086/files/4217992169.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0962/1664/files/dda_algorithm_in_computer_graphics_notes.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/98455436519.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_off00004ad7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4AD7 | 5600 bytes |
SHA-256: 9abcc6d61cd1971f39e3e8a4ad8a9dfad7480180fb93d40b0adc6ba56abfab52 |
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font_01_sfnt_off00005dce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DCE | 9672 bytes |
SHA-256: 4445c4cac091c8568ecf02d947931224e60cf771ba53defcd418232659689d58 |
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font_02_sfnt_off00007ee9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EE9 | 4324 bytes |
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
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