MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link that is disguised as a lab report. The link leads to 'ttraff.cc', which is known for redirecting to malicious sites. The PDF also contains a large number of external links, many of which point to Shopify domains, likely as part of a link farm to improve SEO for malicious content. The ML classifier strongly indicated maliciousness.
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=acid+base+titration+curve+lab+report In PDF document text
- http://files.phelpsmuseum.com/uploads/1/3/0/7/130739525/4770384.pdfIn PDF document text
- http://files.theinspiracy.com/uploads/1/3/2/3/132303083/zuzaborabitaf.pdfIn PDF document text
- http://files.wolfpackmeteorology.com/uploads/1/3/0/7/130739415/giruguzor-mubetivexud-difixotapemur.pdfIn PDF document text
- http://files.doorwaystoadventure.com/uploads/1/3/1/3/131398250/1808453.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/22511335110.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3487/7847/files/66029185476.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0145/4500/files/intermediate_accounting_ifrs_edition_solution_manual.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38608120386.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3443/4969/files/logiciel_traduction_anglais_franais_gratuit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2960/2205/files/arduino_building_led_and_espionage_projects.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/3464/7445/files/linear_search_java.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2512/0927/files/schneider_vivace_switches_catalogue.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0406/6983/files/razifirenupotagogavaj.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/7375/7603/files/physically_based_rendering_encyclopedia.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0734/3779/files/58011085027.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008954.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8954 | 5140 bytes |
SHA-256: 5895a145e19b18c83b2ad788bce1e54eb8aeeef87456a8d4646fcf155ff54465 |
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font_01_sfnt_off00009ad0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9AD0 | 10920 bytes |
SHA-256: 4808665a4a129fa366444ca710e894b62dd6624cb36d38c42abc7f426a90ca87 |
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font_02_sfnt_off0000bfa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFA6 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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