MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one specifically pointing to a known malicious redirector. The heuristic firings indicate this is a PDF SEO link farm, designed to host numerous external links. The ML classifier strongly supports the malicious nature of this document.
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=features+of+forward+contract+pdf In PDF document text
- http://files.burlingtonedisonlittleleague.com/uploads/1/3/1/3/131381428/4846565.pdfIn PDF document text
- http://files.fortworthfirevolleyball.com/uploads/1/3/0/7/130775180/kidebugibapabidivam.pdfIn PDF document text
- http://files.three54.co.uk/uploads/1/3/0/7/130775639/3932064.pdfIn PDF document text
- http://files.loyalwillcaninehydrotherapycentre.co.uk/uploads/1/3/0/7/130739116/667ede6.pdfIn PDF document text
- http://files.davidgoldsteindesigns.com/uploads/1/3/1/4/131438456/25698c.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/1/0429/3374/7878/files/82256377596.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6385/9610/files/megaman_battle_network_walkthrough.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8502/8758/files/jowuzipezofugopopomidat.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8765/0211/files/vezokinojasa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2230/3911/files/fomak.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2018/0894/files/dinos.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8648/7455/files/puzokotifuritananewer.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8328/4136/files/nejapu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6737/4758/files/xekudipu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/4323/9589/files/javascript_map_to_json.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/8868/3932/files/bifotipuzobexatupalomil.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_off0000889e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x889E | 5164 bytes |
SHA-256: d6ffe7d19b988bcffc6ea59be552e35bc0bee81bbd16b6ef151a24511b1813d2 |
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font_01_sfnt_off00009a58.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A58 | 13920 bytes |
SHA-256: 85f269842748007588daa848456a102f392bd568ef7153dc0a581cad244c2460 |
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