MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristics indicating malicious redirector links and a link farm designed for SEO manipulation, likely as a phishing lure. The embedded document body text, though partially corrupted, contains a URL pointing to a redirector service, which is a common tactic for delivering malicious payloads or phishing pages. The ML classifier strongly supports the malicious nature of this PDF.
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.com/pify?keyword=annual+compliance+report+template In PDF document text
- http://files.aflskincare.com/uploads/1/3/0/7/130775434/nanibejimosod_subejopo_deduzomur_gajefiren.pdfIn PDF document text
- http://files.ericmccarron.com/uploads/1/3/1/4/131408899/189c70e6654.pdfIn PDF document text
- http://files.moorishculturalbizarre.com/uploads/1/3/0/7/130739601/1916c.pdfIn PDF document text
- http://files.silverhillmortgage.ca/uploads/1/3/0/7/130776855/9661123.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/38743570217.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2371/9845/files/74214454045.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4930/3720/files/22147637361.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2027/1272/files/aspen_enteral_nutrition_guidelines_2016.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6547/5226/files/velifuvo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2677/5196/files/50372428178.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/0629/4176/files/91925490609.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1050/6404/files/fomufixewefubiz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3384/5150/files/32208228743.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/20880330559.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3407/4523/files/domekeromagonutositaja.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/53607129813.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5063/0296/files/sale_of_business_agreement.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_off00005120.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5120 | 4892 bytes |
SHA-256: f4683a169cbb752e26f7a76fa4b91cfb57e0149838c37eb4ed3830a48a8dad2c |
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font_01_sfnt_off0000619e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x619E | 10060 bytes |
SHA-256: 92dc32999b4db015b93e7e37c9d1381d90bb345ca45b4ff21862fc338cd5aa34 |
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