PDF malware analysis — malicious · f77bf62d6212239c

MALICIOUS

PDF

38.0 KB Created: 2020-07-25 19:55:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 417ea7a9d61789ff436f189f4fb3f9ce SHA-1: 200586b6a203dc1e90fa8525343e56620300e7a4 SHA-256: f77bf62d6212239ce433d81f0de774d1c2b2dfcc913daf7b8189fe001f9e4249

120 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 identifying it as a PDF link farm. One of the primary links, 'https://ttraff.com/pify?keyword=mitosis+matching+worksheet+answer+key', is flagged as a malicious redirector. The document body, though heavily obfuscated, suggests a lure related to a 'Mitosis matching worksheet answer key', indicating a social engineering tactic to drive users to malicious sites.

Heuristics 3

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF 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.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small 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.
Embedded URL info EMBEDDED_URL

One 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=mitosis+matching+worksheet+answer+key
- http://files.eazicandle.co.uk/uploads/1/3/1/4/131438692/ef1440aba9152.pdf
- http://files.homesweethomemusiclessons.com/uploads/1/3/1/3/131380754/zanirulibowi_vomidomosamenoj_fozugeke.pdf
- http://files.caseylynnroland.com/uploads/1/3/1/8/131871553/2f2f2cb28917754.pdf
- http://files.atxalive.com/uploads/1/3/1/4/131438282/retepafemuna-dogazojebuxovu.pdf
- http://files.caseylynnroland.com/uploads/1
- https://cdn.shopify.com/s/files/1/0432/9901/2766/files/pedusonen.pdf
- https://cdn.shopify.com/s/files/1/0435/2920/7957/files/likogob.pdf
- https://cdn.shopify.com/s/files/1/0434/4217/6150/files/wabojivimapasidedumo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xazome.pdf
- https://cdn.shopify.com/s/files/1/0437/6743/1320/files/70257564954.pdf
- https://cdn.shopify.com/s/files/1/0431/9005/9176/files/vowuwapinigigedi.pdf
- https://cdn.shopify.com/s/files/1/0431/0928/6042/files/46940528379.pdf
- https://cdn.shopify.com/s/files/1/0431/2937/2832/files/zulazom.pdf
- https://cdn.shopify.com/s/files/1/0435/7121/6542/files/saziz.pdf
- https://cdn.shopify.com/s/files/1/0433/6071/4904/files/dinilipatevular.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37144816260.pdf
- https://cdn.shopify.com/s/files/1/0433/4721/4486/files/burirodilepekimibugab.pdf
- https://cdn.shopify.com/s/files/1/0431/8517/6736/files/11610646718.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000586c.bin` `f8fc95c80541c37451c66d6c41da35ef716a45272adfcfa609c5ac55d9232031`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x586C	5232 bytes
`font_01_sfnt_off00006a22.bin` `53671b39b3972da46656b40859866d476ffe4f62f4ad819d4ee06e93918055c1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6A22	9568 bytes

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