MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a significant number of embedded links, with the primary link pointing to a known malicious redirector. The heuristic firings indicate that this PDF is part of a link farm, likely intended to manipulate search engine results or distribute malicious content. The document body itself is largely unreadable, but the presence of the malicious redirector URL is a strong indicator of malicious intent.
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=addition+with+carrying+worksheets+pdf In PDF document text
- http://files.iwai-izmir.com/uploads/1/3/1/3/131380299/4e1d0158aa7eb.pdfIn PDF document text
- http://files.onestepforwardcounseling.com/uploads/1/3/0/8/130814014/583702.pdfIn PDF document text
- http://files.optimalwellnesslab.com/uploads/1/3/0/7/130740586/fawimilanejizet_pofomopirizikil_zepodejanefuzer.pdfIn PDF document text
- http://files.kanelaandcompany.com/uploads/1/3/1/4/131453268/zaligofaxagevog.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/1/0429/6150/2362/files/cape_town_dam_levels.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0346/9221/files/firotat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1760/0152/files/55101878495.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7485/4812/files/one_republicgood_life_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/2996/9561/files/zilakorokukirilupalika.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9814/4932/files/55750629260.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5489/0149/files/latisapofudutok.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5680/8607/files/biwufamudu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2588/2518/files/wazaxuwejekurokuvojakup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/3555/0111/files/baltasar_ile_blimunda.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5916/7900/files/69767941891.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3510/6200/files/d_d_inheritor_background.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9603/8812/files/kudegerexutowifu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/duzawubemamomavokam.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_off000065cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65CB | 5632 bytes |
SHA-256: 9f2265180ea797e37b1a1b345a1ee593ff07e16aaf42333131368fde9fdc0204 |
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font_01_sfnt_off00007913.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7913 | 10132 bytes |
SHA-256: d41e31c059d5e1104a5d1d5e704849e54f4953470c39bf80cbde8de45a012abd |
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