MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with the primary redirector pointing to a known malicious URL. The heuristic firings indicate this PDF is a malicious redirector and part of a link farm, likely designed to lure users to malicious sites through deceptive search engine results. The ML classifier strongly supports the malicious nature of this PDF.
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=vapour+absorption+cooling+system+pdf In PDF document text
- http://kogifewa.aeesei.com/uploads/1/3/1/0/131070571/badabezuwufuw_bedixubeviwonam_nokudagave_falipugesuvulo.pdfIn PDF document text
- http://files.reelectjudgetabbey.com/uploads/1/3/2/7/132712163/14257bb2cf4ed.pdfIn PDF document text
- http://femur.portraitreflections.net/uploads/1/3/1/0/131069839/dedejaboxemezek.pdfIn PDF document text
- http://files.trutattoo.com/uploads/1/3/1/4/131437531/niwowom.pdfIn PDF document text
- http://files.neo-hawaii.com/uploads/1/3/0/7/130775649/duzefafodizo-poxikero-lurumunu-runonurujefu.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/1/0433/0687/7080/files/23631451812.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8590/3525/files/dell_keyboard_kb212-_b.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3885/0728/files/xifapukamuliminirub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7173/3917/files/38023362419.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3480/3352/files/jigejiduvemokopafus.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0346/1283/files/newolixoxagesizesibo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2052/5476/files/noreviraviwowilipanavef.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6452/3926/files/non_budgetary_control.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8342/3128/files/88553470516.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/3298/4222/files/48799613715.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2635/7152/files/the_tale_of_the_dueling_neurosurgeons.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6500/7509/files/12114404953.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1615/9381/files/norfolk_southern_hiring_process.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8523/3304/files/finenufupepawobikix.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000756f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x756F | 5684 bytes |
SHA-256: 90ebb8e32da809a606312a46b280e0cf2b21290277d8db4a1ff4d67067621339 |
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font_01_sfnt_off000088ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88AD | 10340 bytes |
SHA-256: bf2ac31e7ef35266a4f86441898bc7206df48c366d93b63730ec4f0c0b34c85f |
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