MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains a malicious redirector link and a large number of external PDF links, indicative of a link farm or SEO manipulation tactic. The presence of a visual download button further supports a deceptive user interaction. The primary goal appears to be directing users to potentially harmful external content or manipulating search results.
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=absolute+monarchs+worksheet+pdf In PDF document text
- http://files.drlakshmisharma.com/uploads/1/3/0/8/130874422/1321880.pdfIn PDF document text
- http://files.boob-ology.co.uk/uploads/1/3/2/3/132303374/vinewagejar-kubojaba-rajezutiwugudow-vifiwejapi.pdfIn PDF document text
- http://files.mosston.school.nz/uploads/1/3/0/8/130814877/0986f8c.pdfIn PDF document text
- http://files.bizobike.com/uploads/1/3/1/1/131164002/pakubowosid-zovif-dolutaxajopezun.pdfIn PDF document text
- http://files.eatcheap-eatwell.com/uploads/1/3/1/4/131453984/kuwevoke.pdfIn PDF document text
- http://files.carriedi.com/uploads/1/3/0/8/130874514/semonidexu.pdfIn PDF document text
- http://files.morganephotos.com/uploads/1/3/0/7/130738830/vizamufufuzozirexiv.pdfIn PDF document text
- http://files.vicbutton.com/uploads/1/3/1/6/131636990/sofikoradito.pdfIn PDF document text
- http://files.louisemartinart.com/uploads/1/3/1/3/131383982/rolotosuxotosev-danevojego-fakafiwo-posurojurekej.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://supufomubegu.files.wordpress.com/2020/06/22939647925.pdfIn PDF document text
- https://goxafizazo.files.wordpress.com/2020/07/91077958460.pdfIn PDF document text
- https://newadekimo.files.wordpress.com/2020/06/30776964626.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/61047377128.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2571/0750/files/40469404339.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bifivejeg.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1573/2376/files/98994389645.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5261/4311/files/pexudabeseb.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/18410569865.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0268/2789/files/botalemunusujatogejapapa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/18396470220.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_off00006aa5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AA5 | 5512 bytes |
SHA-256: abb069dae1d3dc718fe4ee30fb707797265111560b00764fd7cc4d1e9feae7bc |
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font_01_sfnt_off00007d37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D37 | 10828 bytes |
SHA-256: 262fe803acc236715efa56898ec78ae4cc2634ebf8b6571814ec108dec2a1546 |
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