MALICIOUS
222
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains a lure related to 'aptitude test questions and answers for deloitte' and includes a critical heuristic firing for a malicious redirector link. It also contains a link farm pointing to various PDF files, some hosted on Shopify. The document body text, though partially corrupted, reinforces the lure and contains the primary malicious URL. The presence of a download button lure and a callback lure suggests a social engineering approach to trick the user into further interaction.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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=aptitude+test+questions+and+answers+for+deloitte In PDF document text
- http://nakidakuz.arttherapysantafe.com/uploads/1/3/1/0/131070109/lukamovoz.pdfIn PDF document text
- http://files.dandelionsanddaisiesfiberarts.com/uploads/1/3/0/8/130873930/xujuputofirivom.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/1/0433/0989/1742/files/vaxuxalikadolupoj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0978/5499/files/37905494203.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7316/6744/files/new_songs_isaimini.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1117/8649/files/heteroside_cardiotonique.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/8055/5419/files/fabafusero.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1995/1513/files/5e_critical_hit_table.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1888/7073/files/woluregi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/1634/7035/files/67606082463.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6859/6117/files/18996605144.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2536/6165/files/wofakuviwajemifupajazikof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9931/5610/files/devore_probability_and_statistics_9th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6608/7838/files/wapezupi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2168/1315/files/72811111861.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_off00006267.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6267 | 5240 bytes |
SHA-256: 2711e74ce09ae869d081d54d22c8d21185e8aa9a27afee7c7905bb6cf0567cd1 |
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font_01_sfnt_off00007456.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7456 | 10508 bytes |
SHA-256: 01db8987d16ce127bc263203a3beb898512205210d4af06a141ae99b7ea79c19 |
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