MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, with a critical heuristic firing indicating a link farm designed to redirect users to malicious infrastructure. The primary malicious URL identified is https://ttraff.com/pify?keyword=callidae+voces+pdf. The document body is heavily obfuscated, but the presence of multiple Shopify-hosted PDF links suggests an attempt to disguise the malicious intent. No scripts were extracted from this sample.
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.com/pify?keyword=callidae+voces+pdf In PDF document text
- http://files.ccjustice.net/uploads/1/3/0/8/130874371/2f045b2.pdfIn PDF document text
- http://files.frederick-biebesheimer3.com/uploads/1/3/0/7/130775123/mobuzoxulab.pdfIn PDF document text
- http://files.fordservoboretransmissionfixsolution.com/uploads/1/3/0/7/130775649/4851727.pdfIn PDF document text
- http://files.ckumaresan.com/uploads/1/3/0/7/130739343/f25f408c3e74.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/1/0434/4007/9005/files/viduzonovifuxiwoxi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5036/0232/files/37820149303.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1509/2894/files/python_challenge_level_1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5618/5000/files/kigatukel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8289/0918/files/honeywell_fire_alarm_system_catalogue.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7274/8710/files/72452859772.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/53981477141.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1006/4537/files/xafife.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8720/0418/files/dear_god_avenged_sevenfold_lyrics.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6099/2927/files/vewekuwute.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8570/8953/files/lonukixonakisugatiwi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6961/1932/files/kerajisaledijizam.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/6375/4404/files/35007402546.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4384/7328/files/7012752132.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_off00004c92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C92 | 5016 bytes |
SHA-256: d67ad05c0e53a60ea4381ba2043dd4b7a13a785de9cb63be3a0b907d2db19de9 |
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font_01_sfnt_off00005dbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DBE | 10284 bytes |
SHA-256: 055572a714e2050acf5adffddf65d4ba4ce88df89fc7d7ab25c1acb0c6993206 |
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