MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, which points to 'https://ttraff.cc/pify?keyword=pre+calculus+grade+11+pdf+learners+module'. This URL is likely used to redirect the user to a malicious site or download further payloads. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure. The presence of a large number of external PDF links, many pointing to Shopify domains, indicates a link farm SEO tactic to improve search engine ranking for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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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=pre+calculus+grade+11+pdf+learners+module In PDF document text
- http://files.msdanielledobeleit.com/uploads/1/3/0/8/130874380/3665375.pdfIn PDF document text
- http://gupijo.ncawpa.org/uploads/1/3/0/8/130814124/4c2545.pdfIn PDF document text
- http://files.traumatotango.com/uploads/1/3/1/3/131384573/7501266.pdfIn PDF document text
- http://files.coachingwithcourtney.com/uploads/1/3/1/4/131406258/373581abbc0880.pdfIn PDF document text
- http://files.kathrynbartlett.com/uploads/1/3/1/4/131483662/80740eb.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/1/0432/8760/9497/files/45826535895.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/2858/4347/files/33584753787.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/3580/4319/files/patasiraduf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0341/2633/files/jibetu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0234/6148/files/58860237631.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3015/0300/files/97613385117.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2936/4889/files/majestic_mountains_sse.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3365/5446/files/lomilutisivufowurifomeka.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/5324/3806/files/jatoxugesod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/6237/7113/files/t_wayne_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6681/7696/files/46889437917.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6553/1806/files/74291218192.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6775/3116/files/lumejokawuwopagisezusaz.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4788/6743/files/73511377703.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00017167.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17167 | 5528 bytes |
SHA-256: 64e0d3162a2b602b340aa3abf2981b5dcd5965dde5bb39f9efa4a7da35b05b5e |
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font_01_sfnt_off00018424.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18424 | 15768 bytes |
SHA-256: d82988474cadd872fd83bbea6f6fdc0b0c7b25aa6328f47b14be741583ccd243 |
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font_02_sfnt_off0001b51e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B51E | 16128 bytes |
SHA-256: 8e1ea2dbc10ce1e733df7fdea8c083e0faff811cf1aa2cb486553edc1a93aa04 |
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