MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link to a known malicious redirector, ttraff.cc, which is likely intended to lead the user to a malicious site. The document body and heuristics indicate a lure related to 'Accsap pdf download', suggesting a phishing or scam attempt. The presence of a large number of external PDF links, many hosted on Shopify, further supports the SEO-based link farm tactic to obscure the malicious redirector.
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.cc/pify?keyword=accsap+pdf+download In PDF document text
- http://files.ldcustoms.com/uploads/1/3/1/4/131438443/bd077e3a52ef.pdfIn PDF document text
- http://wabisiba.ildanceofficials.com/uploads/1/3/1/6/131606289/fejor.pdfIn PDF document text
- http://netefiv.hopeofglorychristinmebriankinnett.com/uploads/1/3/1/3/131380126/8502417.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/1/0432/9363/8822/files/nhtsa_sfst_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4433/8854/files/rufodobapegarojitoxojafi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9725/8136/files/bunozefalegobiza.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8893/7120/files/dunefudotorerokopaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5082/7929/files/74384545759.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/2878/1988/files/list_of_spelling_words_for_grade_3.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0091/4343/files/hot_wire_anemometer_thermal_method.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1787/1265/files/fedavukupixi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/lonukaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/amazon_vision_statement.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0447/8281/3341/files/acta_constitutiva_de_sociedad_civil.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1715/0368/files/sosebet.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_off00005449.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5449 | 5136 bytes |
SHA-256: b977a8c168882d06d9ce02241cdae90a62f452510429322383ead44bc78108b5 |
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font_01_sfnt_off000065df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65DF | 10952 bytes |
SHA-256: aa57364a0c6836f6e8f1538ff8b7b8958d59aec2a6316882401039373824f3c6 |
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